<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>bootstrap</title>
    <link rel="stylesheet" href="css/bootstrap.min.css">
</head>
<body>
<h1>标题1</h1>
<h2>标题2</h2>
<h3>标题3</h3>
<ul>
    <li  class="h1">1</li>
    <li  class="h2">2</li>
    <li  class="h3">3</li>
</ul>
<p>
    sdfghjkl
</p>
<p>
    zxacvbnm
</p>
<p class="lead">
    sdfghjkl
</p>
<div class="container-fluid text-center">
    我是div
</div>
<dl class="dl-horizontal">
    <dt>我是dt</dt>
    <dd>我是dd</dd>
</dl>
</body>
</html>